When I Know Some Guys kicked off, we bought a couple of Transporter devices to handle our file-syncing needs without having to rely on Dropbox or another hosted service. Unfortunately, Nexsan killed off Transporters a couple years back, and, though they still kind of work, it's been a back-burnered project for us to find a good replacement.
This is a companion discussion topic for the original entry at http://frostillic.us/blog/posts/2019/11/5/another-side-project-nsf-sftp-file-store